In this research, the purity level of TiO 2 from Lampung's iron sand has been tried to improve using the leaching method by variation of iron sand and NaOH ratio (i.e., 1:2, 1:3, and …
This research aims to determine the content of TiO 2 from Lampungs iron sand by leaching method with temperature variation. The iron sand are mixed with sodium hydrogen carbonate …
experiments. Iron sand collected with traditional gravity separation method contained 8 to 12% TiO2, while iron sand collected with modern magnetic separation method contained less than 5% TiO2. When gravity-separated iron sand was used in a tatara under strong reducing conditions, zuku (cast iron) flowed out of the tatara.
Iron sand in Indonesia is spread on various beaches, one of which is Mandiri Beach located on the West Coast using the random sampling method. Iron sand preparation is carried out by magnetic separation using rod magnets to separate iron sand from impurities. Pantai Mandiri iron sand contains several dominant elements, namely Fe, Si, Ti, Al, Ca, K, and …
Approximately a third of the Earth's crust consists of iron, which the main ingredient used to make steel. In nature, it exists as an ore, and steel manufacturers must extract it before they can use it. One such ore is a type of iron oxide called titanomagnetite, which is formed as volcanic lava crystallizes. Rivers and streams wash this to the sea, and most of it ends up as …
TiO2 extraction was conducted using sulphate method, by reacting milled iron sand with sulfuric acid at high temperatures (>110°C) for ± 30 minutes. Titanium extract was then heated at a …
The Pulmoddai mineral sand deposit in Sri Lanka is considered as a valuable resource containing pure ilmenite and can be used as a very good source of both titanium and iron. Because of the lower ...
Although the Pulmoddai mineral sand deposit is well-known as an industrially viable natural reserve of ilmenite (75% of the ore), which is a very good resource for titanium and iron compounds containing 53.21% TiOand 42.57% iron oxides [ 1 24 ], Sri Lanka is not entirely benefited from the ore due to the lack of a proper ilmenite processing ...
We have investigated Bayer red mud with a TFe content of 26.86% collected from the Pingguo area of China, and have found that iron is the key metal affecting the extraction of valuable components ...
The existing method for determining the TFe content of iron ore has chemical analysis method and instrumental analysis method [1], [2]. The chemical analysis method is also called titration analysis. The sample pretreatment process is complicated and the process is long, which is difficult to meet the requirements of modern production for rapid ...
from 6 to 2 hours. The microwave extraction process can increase a yield of TiO 2 and significant decreasing the yield of Fe 2 O 3 in a shorter time if compared to the conventional process. Keywords: Iron sand, microwave, TiO 2, Fe 2 O 3, minerals, extraction. INTRODUCTION Titanium dioxide (TiO 2) is a mineral that obtained more attention of ...
This research aims to determine the content of TiO 2 from Lampungs iron sand by leaching method with temperature variation. The iron sand are mixed with sodium hydrogen carbonate (NaHCO 3 ), then heated at 700 C for an hour. This research uses 5 samples with leaching temperature variation of 70, 80, 90, 100, and 110 C for 2 hours.
Generally,the main chemical components of RM include Al 2 O 3, Fe 2 O 3, SiO 2, TiO 2, CaO, Na 2 O, K 2 O and MgO. Moreover, ... studied the selective hydrophobic flocculation- magnetic separation method to recover iron minerals from RM. The results showed that the TFe grade of iron concentrate is 46.59% and the recovery is 56.88% when oleic ...
Ilmenite ore (FeO.TiO2) is source of titanium dioxide (TiO2) production. Titanium dioxide occurs in polymorphic forms as rutile,and anatase phase. InIndonesia,ilmenite sand was found in Bangka island.Modification ofa commercialprocesscapable to produceTiO2 high grade fromilmenite.
Ilmenite is one of the natural materials that are abundant in Lampung province. This research was conducted to determine the content of TiO 2 from ilmenite Lampung by the leaching method. Previously, iron sand was mixed with sodium hydrogen carbonate (NaHCO 3) and roasted at 700ºC for an hour.In this research, five samples were used to determine the TiO 2 …
The aim of this project was to learn roles of titanium oxide (TiO 2), an impurity contained in iron sand, in the products resulting from traditional iron making processes, tatara operations.For this purpose, iron sand was collected using two different mineral processing methods from four different locations in the Chugoku area of Japan, and these samples were used to run small …
The iron sand sample came from Tembakak Beach, Pesisir Barat Regency, was prepared and then analyzed using XRF, obtained an Fe content of 58.294%; Si 18.525%; Ti 8.775%; Al 6.785%; Ca 3.885%; K 1.624%, as well as minor elements with a content below 0.5%. Titanium dioxide (TiO2) can be obtained from ilmenite (FeTiO3), by hydrometallurgical …
C haracterization and a Preliminary Study of TiO 2 Synthesis from Lampung Iron Sand . Y. I. Supriyatna. 1,a *, S. Sumardi. 1,b, W . Astuti. 1,c ... One of the separation methods is the leaching ...
Iron sand collected with traditional gravity separation method contained 8 to 12% TiO2, while iron sand collected with modern magnetic separation method contained less than 5% TiO2.
In addition to traditional separation methods, some studies have attempted to predict the TFe content of an entire batch of iron ores based on color features in standard photographs, resulting in high correlation, between the predicted and actual TFe content (Patel et al., 2017, 2019).
Iron sand collected with traditional gravity separation method contained 8 to 12% TiO2, while iron sand collected with modern magnetic separation method contained less than 5% TiO2. When …
Iron sand collected with traditional gravity separation method contained 8 to 12% TiO2, while iron sand collected with modern magnetic separation method contained less than 5% TiO2. When gravity ...
If pellets were reduced by pure CO (P(H 2)/P(H 2 + CO) = 0), the efficiency of Fe-Ti separation is poor: the TFe grade and iron recovery are only 75.85 wt.% and 89.21%, respectively, while residual TiO 2 amount is as high as 13.35 wt.%. The separation efficiency of Fe and Ti improved quickly with the increasing of P(H 2)/P(H 2 + CO) ratio.
The 2D subsurface identification work of iron sands in Benteng Lubuk, Krueng Raya was successfully studied using the very low frequency method based on resistivity mode (VLF-R).
Molecular Adsorption of TFE on TiO 2 (110) and Cr 2 O 3 (0001). In Fig. 1, we see weak (ca. − 0.07 eV, Configuration 1) molecular adsorption of TFE monomer on TiO 2 (110) and strong (ca. − 1.38 eV, Configuration 1) adsorption on Cr 2 O 3 (0001). We find the adsorbed TFE retaining its planar structure, negligibly modified by TiO 2 (110). These results and observations could be …
Figure 2. SEM results of Sukabumi iron sand a) 50x, b) 150x, c) 500x, and d) 1000x magnification . Magnetic separation of iron sand be able to reduce the magnetic particles such as
Semantic Scholar extracted view of "Optimization of TiO2 purity level of lampung's iron sand using leaching method by variation of iron sand - NaOH ratio and H2SO4 concentration" by Roniyus Marjunus et al. ... In this research, roasting temperature at 400C and sulphuric acid concentration variations was conducted to obtain titanium dioxide ...
Titanium gypsum (TiG) is obtained during the production of titanium dioxide, by the sulfuric acid method, and is a kind of solid waste largely composed of calcium sulfate dihydrate. ... etc. It can also be used as a carrier in the separation of rare metals. Ferrous oxalate is also an inorganic non-metallic material with high-added-value ...
The method used consists of a magnetic separation, oxidation, reduction process using Microwave Batch Furnace reactor, and hydrochloric acid leaching. ... Fellicia, Dian Mughni; Pintowantoro, Sungging et al. / Optimization of microwave heating parameter for TiO 2 extraction process from iron sand Indonesia. 2018 IEEE International Conference on ...
There has been extensive research on the extraction of titanium and iron from titanomagnetite, which has provided insights into development of following three mainstream processes: the blast furnace process [21], pre-reduction and electric furnace process [22], and reduction roasting followed by the magnetic separation process [23, 24].The blast furnace …